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Parameter <br />Max of Wells + <br />25% (mg /L) <br />In- Stream Water <br />Quality <br />Standards <br />(mg /L) <br />Colorado <br />Ground Water <br />Standards for <br />Agricultural Use <br />Classification <br />(mg /L) <br />Proposed <br />Standard No <br />Increased <br />Impact (mg /L) <br />Mercury, dissolved <br />0 <br />:;.0 <br />0.010 <br />Mercury, total <br />0 <br />J.001 <br />0.001 <br />Molybdenum, dissolved <br />0.02175 <br />Report <br />Nickel, dissolved <br />0 <br />111359 <br />0.2 <br />0.050 <br />Nitrate /Nitrite as N <br />2.45 <br />00 <br />100.000 <br />pH <br />10.25 <br />6.0 -9.0 <br />6.5 -8.5 <br />6.0 -9.0* <br />pH measured at <br />27.25 <br />Report <br />Phosphorus, ortho dissolved <br />0.075 <br />Report <br />Potassium, dissolved <br />1.625 <br />Report <br />Residue, Filterable (TDS) <br />@ 180C <br />355 <br />400 <br />400 * ** <br />Residue, Non - Filterable (TSS) <br />@105C <br />221.25 <br />20 <br />Report" <br />Selenium, dissolved <br />0.000625 <br />;.0046 <br />0.02 <br />0.005 <br />Silica, dissolved <br />9.125 <br />Report <br />Silver, dissolved <br />-.L <br />6.99957E -05 <br />0.0001 <br />Sodium, dissolved <br />13.125 <br />Report <br />Sulfate <br />160 <br />0.006 <br />160 <br />Sum of Anions <br />4.625 <br />Report <br />Sum of Cations <br />4.625 <br />Report <br />Thallium, dissolved <br />0 <br />Report <br />Total Alkalinity <br />58 <br />Report <br />Uranium, dissolved <br />0.000375 <br />Report <br />Vanadium, dissolved <br />0 <br />0.100 <br />Zinc, dissolved <br />. " ­� <br />0.116771534 <br />2 <br />0.713 <br />Zinc, total <br />0.9 <br />0.75 <br />0.900 <br />*pH standard was conservatively <br />set as the In- Stream Water Quality Standard, not the maximum <br />of the wells. <br />* *TSS standard was set as "Report" because well samples are groundwater and SPLP tests measure dissolved <br />solids, not total. <br />** *TDS standard will only apply to well samples, not SPLP testing due to the nature of the SPLP test. SPLP <br />testing will "Report" TDS <br />16 <br />